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MP7626KP, MP7626LD, MP7628

Table of contents:
Info of MP7626KP
Info of MP7626LD
Info of MP7628

MP7626KP, MP7626LD, MP7628 Selling Leads, Datasheet

MFG:MP Package Cooled:PLCC D/C:02+

MP7626KP, MP7626LD, MP7628 Datasheet download

Five Points

Part Number: MP7626KP

MFG: MP

Package Cooled: PLCC

D/C: 02+

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MP7628 General Description

The MP7628 is a quad 8-bit Digital-to-Analog Converter designed using a decoded DAC architecture featuring excellent DAC-to-DAC matching and guaranteed monotonicity.

Separate on-chip latches are provided for each DAC to allow easy microprocessor interface.

The readback function allows the user to poll or read the data latches, eliminating the need for storing information in RAM. In the event the microprocessor power supply is interrupted, it can poll the DACs to establish the last known system state.

Data is transferred into any of the four DAC data latches via common 8-bit TTL/CMOS compatible input port. Control inputs DS1, DS2 and A/B determine which DAC is to be loaded. The MP7628's load cycle is similar to the write cycle of a random access memory and the device is bus compatible with most 8-bit microprocessors.

The device operates at +5 V power supply and dissipates less than 5mW.

All DACs offer excellent four quadrant multiplication characteristics with a separate reference input and feedback resistor for each DAC.

MP7628 Maximum Ratings

V_DD to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .+7 V
Digital Input Voltage to GND (2) GND . .0.5 to V_DD +0.5 V
I_OUT1, I_OUT2 to GND (2) GND . . . . . . . .0.5 to V_DD +0.5 V
VREF to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. .+25 V
VRFB to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +25 V
Storage Temperature . . . . . . . . . . . . . 65°C to +150°C
Lead Temperature (Soldering, 10 seconds) . . . . .+300°C
Package Power Dissipation Rating to 75°C
CDIP, PDIP, SOIC, PLCC . . . . . . . . . . . . . . . . . . . . 1050mW
Derates above 75°C . . . . . . . . . . . . . . . . . . . . .14mW/°C
NOTES:
1 Stresses above those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. This is a stress rating only and functional operation at or above this specification is not implied. Exposure to maximum rating conditions for extended periods may affect device reliability.
2 Any input pin which can see a value outside the absolute maximum ratings should be protected by Schottky diode clamps (HP5082-2835) from input pin to the supplies.

MP7628 Features

• Readback Capability for all DACs
• On-Chip Latches for All DACs
• Linearity Grades to +1/8 LSB
• Single Supply Voltage (5 Volt)
• DACs Matched to 1%
• Four Quadrant Multiplication
• Microprocessor TTL/CMOS Compatible
• Latch-Up Free
• Dual Version: MP7529B

MP7628 Typical Application

• Microprocessor Controlled Gain and Attenuation Circuits
• Microprocessor Controlled/Programmable Power Supplies
• Hardware Redundant Applications Requiring Data Readback

MP7628 Connection Diagram

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